EASY
10th Maharashtra Board
IMPORTANT
Earn 100

Draw the diagram of a DC generator. Then explain as to how the DC current is obtained.

Important Questions on Effects of Electric Current

MEDIUM
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 4 - Effects of Electric Current>Can you recall?>Q 1
How do we decide that a given material is a good conductor of electricity or is an insulator?
MEDIUM
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 4 - Effects of Electric Current>Think about it>Q 1
How can we write mechanical power in a manner similar to electrical power?
EASY
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 4 - Effects of Electric Current>Exercise>Q 1
Tell the odd one out. Give proper explanation.
Fuse wire, bad conductor, rubber gloves, generator.
MEDIUM
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 4 - Effects of Electric Current>Exercise>Q 2
Explain the construction and working of the following. Draw a neat diagram and label it.
Electric motor
MEDIUM
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 4 - Effects of Electric Current>Exercise>Q 2
Explain the construction and working of the following. Draw a neat diagram and label it.
Electric Generator (AC)
EASY
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 4 - Effects of Electric Current>Exercise>Q 4
Explain the difference:
AC generator and DC generator
EASY
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 4 - Effects of Electric Current>Exercise>Q 7
Give scientific reason.
In practice, the unit kWh is used for the measurement of electrical energy, rather than joule.
MEDIUM
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 4 - Effects of Electric Current>Exercise>Q 9
What is a solenoid? Compare the magnetic field produced by a solenoid with the magnetic field of a bar magnet. Draw neat figures and name various components.